Definately improved response/acceleration and a deeper throatier sound - love it! · 12/06/06

What a difference! Ride height lowered and Geo'd feels much more planted on the twisties - best mod yet! · 03/11/06

Janspeed 4-2-1 manifold - love it! Engine now breathing easier, much more torque and the soundtrack is cranked up! <img src="style_emoticons/<#EMO_DIR#>/smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> · 14/04/07

Really nice sound! Much better now i have the sports cat · 01/12/05

Love these tyres.. no squeaks when pushing it.. excellent in wet. Top marks! · 01/12/05

What can i say.. it's a shiney knob! · 01/12/05

not a really noticable difference - but at least the plastic one is gone · 17/05/06

taken away the 'creaking' on the throttle and some of the floppyness · 21/07/06

More positive gear changes and reduced 'slop' in gear stick movement - excellent. · 01/12/05

Already on the car when purchased - not convinced about how effective it is. Will probably change to Viper at some point. · 01/12/05